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vovikov84 [41]
3 years ago
15

Help please and expalin if you can

Mathematics
1 answer:
Vilka [71]3 years ago
8 0

Answer:

Step-by-step explanation:

its 21

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Use the roster method to write each of the given sets. For some exercises you may need to consult a reference, such as the Inter
castortr0y [4]

Answer:

The empty set \{ \}

Step-by-step explanation:

Roster method is simply listing explicitly all the elements in the set, one by one (writing them between two curly brackets, and separating them through commas).

We want then to list explicitly all the elements in the following set:

The set of natural numbers x that satisfy x+2=1.

So, first we have to figure out which numbers are in that set. The set is made ONLY of those natural numbers x, that when you add 2 to them, you get 1. Clearly no natural number has that property (since the only number that would give us 1 when adding 2 to it, is the number -1, which is NOT a natural number). So there aren't any numbers at all in that set. So if we were to list them, we'd just list nothing inside the set:

\{ \} (which is just the empty set)

4 0
3 years ago
A farmer had a farm with animals.
Gnom [1K]

Answer: Part B

Step-by-step explanation:

3 0
3 years ago
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Find the slope (0, -3) and (9, 0) PLEASE SHOW YOUR WORK, WILL MARK BRAINLEIST
Flura [38]
<h3>Answer: slope = 1/3</h3>

===================================================

Work Shown:

Use the slope formula to get

m = (y2 - y1)/(x2 - x1)

m = (0 - (-3))/(9 - 0)

m = (0 + 3)/(9 - 0)

m = 3/9

m = 1/3

----------------

Basically we subtract the y coordinates, and do the same for the x coordinates as well (subtract in the same order). Afterward, divide the two results. Reduce the fraction as much as possible.

A slope of 1/3 means we move up 1 unit each time we move to the right 3 units.

The slope being positive means the line goes uphill as you read from left to right.

6 0
3 years ago
Match the decimal to its corresponding fraction. *
Charra [1.4K]

Answer:

1/3 = 0.333333

16/33 = 0.48484848

2/11 = 0.181818

1/12 = 0.0833333

127/999 = 0.127127127

Step-by-step explanation:

divde each fraction

5 0
3 years ago
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What does x need to be for this to be true?
ludmilkaskok [199]
×=1 because 1×3=3 ok
7 0
3 years ago
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